@article{DAN_1973_212_5_a11,
     author = {V. S. Sobchuk},
     title = {The almost geodesic mapping of {Riemannian} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1071--1073},
     publisher = {mathdoc},
     volume = {212},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_5_a11/}
}